Target Corp.’s Gregg Steinhafel and Medtronic Inc.’s Omar Ishrak are among the nation’s “least narcissistic” CEOs, according to research from an Australian university.

Macquarie Graduate School of Management Dean Alex Frino analyzed quarterly earnings calls to determine how often CEOs said words like “we” and “our” versus “I” and “me,” the Washington Post reports. He ranked top executives at the 100 largest U.S. companies based on their we-to-me ratios.